USGS visual identity mark and link to main Web site

USGS Open-File Report 94-023

Pliocene Terrestrial Environments and Data/Model Comparisons

Abstracts from a USGS workshop, Herndon, Virginia, May 22 - 23, 1993

Edited by Robert S. Thompson


This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards and stratigraphic nomenclature. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.


  1. Introduction (R.S. Thompson)

  2. Terrestrial palynological and paleobotanical records of Pliocene age from Alaska and Yukon Territory (T.A. Ager)

  3. Palynological records of the Pliocene in Baffin Bay and Labrador Sea (A. de Vernal)

  4. Pliocene pollen data set dynamics: Tulelake, California, and Lost Chicken Mine, Alaska (D.P. Adam)

  5. Palynological records from Pliocene sediments in the California region: Centerville Beach, DSDP Site 32, and the Anza-Borrego Desert (R.F. Fleming)

  6. Mid-Pliocene vegetation, environment, and climate in the western interior of the United States (R.S. Thompson)

  7. Palynological record from the North Atlantic region at 3 Ma: vegetational response to a period of global warmth (D.A. Willard)

  8. Neogene palynofloras and terrestrial paleoenvironments in northern Latin America (A. Graham)

  9. Paleoclimatic conditions around 3 million years BP: pollen evidence from Colombia (H. Hooghiemstra)

  10. Mediterranean Pliocene vegetation and climate: how to quantify the climate parameters? (J.-P. Suc, A. Drivaliari, E. Bessais, J. Guiot, A. Bertini, S. Leroy, R. Cheddadi, J. Ferrier, and D. Duzer)

  11. Steps toward drier climatic conditions in north-western Africa during the Upper Pliocene (L.M. Dupont and S. Leroy)

  12. An attempt to reconstruct temperature and rainfall from the Pliocene pollen record in Ethiopia (R. Bonnefille, D. Jolly, and F. Challé)

  13. Some manifestations of Pliocene warming in southern Africa (L. Scott and T. C. Partridge)

  14. Landscape and climate of the southwestern Russian Plain in the Pliocene (T.V. Svetlitskaya)

  15. Landscape and climate of the south-central and southeastern Russian Plain in the Pliocene (O.K. Borisova)

  16. GCM Simulations of the Pliocene climate: feedbacks, Ocean transports, and CO2 (M. Chandler)

  17. Considerations for the PRISM paleoclimate study (L.C. Sloan)

  18. Use of a high-resolution atmospheric model for simulations of paleo-climate (S.W. Hostetler, F. Giorgi, G.T. Bates, and P.J. Bartlein)

  19. The forward-modeling approach in paleoclimatic analysis: middle-Pliocene vegetation distributions in North America (P.J. Bartlein)


I thank Mary Stricker for the great help that she provided in organizing the Pliocene Workshop and in the preparation of this document. I also wish to thank Beverly Amato, Jill Sethaler, and Jenny Buchner for their assistance in the preparation of this document. Kevin Foley and Peter Schweitzer assisted in document preparation and editing. Dick Poore, of the USGS Global Change and Climate History Program, provided support and organizational assistance for the workshop.

Appendix I: Workshop participants

This page is <>
Maintained by Eastern Publications Group Web Team
Last modified 28-Feb-2001